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【简答题】
Please do the exercises ( both Listening & Reading p art ) of Chapter 13 in HSK 2 Workbook, which is in 梧桐师资 APP (both questions and audios). you can click on the headphone logo in the app to listen to audios. 2. Upload your homework to the column of “ 作业 ” before Sat.(March 7) 23:00 . 3. After you uploaded homework, please access “ 作业 ” column again to check your answers out. 4. Mark the questions you don't understand and ask the teacher during the Q uestion Hour . Question Hour : Wed. 10:00-11:30 online Thur. 13:30-15:00 online The teacher will be online during the Q uestion Hour, and if y ou have any question( both self - study part and workbook), please contact teacher via We C hat group or We C hat Work (both message and online video are OK) . Also, if you are all clear about the lessons, just continue to study, no need to attend the Q uestion Hour. 5. Sample of homework when uploading : 1-5. T F T F T (or: √ × √ × √ ) 6-10. A B C D E 11-15. A B C D E ......
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参考答案：
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【单选题】刀头宽度粗车刀的刀头宽度应为 1/3 螺距宽,精车刀的刀头宽应( )牙槽底宽。
A.
大于
B.
小于
C.
等于
D.
为1/2
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【单选题】Both carbonic acid and glycine are diprotic, as they can give up ______ protons.
A.
one
B.
two
C.
three
D.
four
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【单选题】医疗事故鉴定的组织应由
A.
医师学会负责
B.
医学会负责
C.
医疗事故技术鉴定专家组负责
D.
卫生行政部门负责
E.
法院负责
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【单选题】The following curve may correspond to the titration of
A.
5.00mL of a 0.080 M diprotic acid, H 2 A prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
B.
5.00mL of a mixture consisting of 0.080 M H 2 A and 0.080 M HA − prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
C.
5.00mL of a mixture consisting of two acids with the same K a , 0.080 M HA, and 0.16 M HB prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
D.
5.00mL of a mixture consisting of two acids with thesame concentration (0.080 M), but different Ka
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【单选题】下列不属于新贸易保护主义政策特点的是( )
A.
组成货币集团，瓜分世界市场
B.
限制进口措施的重点从关税转向非关税
C.
贸易保护的重心从限制进口转向鼓励出口
D.
贸易保护日益系统化、合法化
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【简答题】电子商务基础与实操实验报告6-1模板.doc
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【单选题】A diprotic acid, H 2 A, has the following ionization constant: K a1 =1.1 × 10 -3 and K a2 =2.5 × 10 -6 ,To make up a buffer solution of pH 5.80 ,which combination would you choose?
A.
Na 2 A/NaHA
B.
NaHA/H 2 A
C.
Na 2 A/H 2 A
D.
NaHA
查看完整题目与答案
【判断题】Diprotic and Triprotic Acids lose one proton at a time.
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【单选题】刀头宽度粗车刀的刀头宽度应为 1/3 螺距宽,精车刀的刀头宽应( )牙槽底宽。
A.
大于
B.
小于
C.
等于
D.
为1/2
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【简答题】电子商务基础与实操实验报告2-2模板.doc
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【单选题】Both carbonic acid and glycine are diprotic, as they can give up ______ protons.
A.
one
B.
two
C.
three
D.
four
查看完整题目与答案
【单选题】医疗事故鉴定的组织应由
A.
医师学会负责
B.
医学会负责
C.
医疗事故技术鉴定专家组负责
D.
卫生行政部门负责
E.
法院负责
查看完整题目与答案
【单选题】The following curve may correspond to the titration of
A.
5.00mL of a 0.080 M diprotic acid, H 2 A prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
B.
5.00mL of a mixture consisting of 0.080 M H 2 A and 0.080 M HA − prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
C.
5.00mL of a mixture consisting of two acids with the same K a , 0.080 M HA, and 0.16 M HB prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
D.
5.00mL of a mixture consisting of two acids with thesame concentration (0.080 M), but different Ka
查看完整题目与答案
【单选题】下列不属于新贸易保护主义政策特点的是( )
A.
组成货币集团，瓜分世界市场
B.
限制进口措施的重点从关税转向非关税
C.
贸易保护的重心从限制进口转向鼓励出口
D.
贸易保护日益系统化、合法化
查看完整题目与答案
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【单选题】A diprotic acid, H 2 A, has the following ionization constant: K a1 =1.1 × 10 -3 and K a2 =2.5 × 10 -6 ,To make up a buffer solution of pH 5.80 ,which combination would you choose?
A.
Na 2 A/NaHA
B.
NaHA/H 2 A
C.
Na 2 A/H 2 A
D.
NaHA
查看完整题目与答案
【判断题】Diprotic and Triprotic Acids lose one proton at a time.
A.
正确
B.
错误
查看完整题目与答案
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